Cd1Ga1Pd2
Cd1Ga1Pd2 is a semiconducting intermetallic compound composed of cadmium, gallium, and palladium, primarily studied within the context of platinum-group alloy research.
About Cd1Ga1Pd2
Cd1Ga1Pd2 is a specialized intermetallic compound belonging to the class of platinum-group alloy catalysts. Characterized by its semiconducting electronic nature, it represents a complex arrangement of cadmium, gallium, and palladium atoms that contributes to the broader understanding of transition metal alloy behavior.
While this compound is currently identified as being above the thermodynamic hull, it remains a subject of interest in materials informatics. Its existence within a large pool of reported structures highlights the ongoing exploration into how specific elemental combinations influence the stability and potential catalytic utility of palladium-based systems.
Key Properties
Cross-validated computational properties for Cd1Ga1Pd2, aggregated across 2 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Cd1Ga1Pd2, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.12 | 1.6283 | -2.486 | 0.75 |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
Applications
Where Cd1Ga1Pd2 is used.
Frequently Asked Questions
Common questions about Cd1Ga1Pd2, answered from cross-validated data.
What is Cd1Ga1Pd2?
Cd1Ga1Pd2 is a semiconducting intermetallic compound composed of cadmium, gallium, and palladium, primarily studied within the context of platinum-group alloy research.
What is Cd1Ga1Pd2 used for?
What is the band gap of Cd1Ga1Pd2?
Is Cd1Ga1Pd2 a metal, semiconductor, or insulator?
Is Cd1Ga1Pd2 thermodynamically stable?
What is the crystal structure of Cd1Ga1Pd2?
What is the density of Cd1Ga1Pd2?
How many polymorphs of Cd1Ga1Pd2 are known?
What elements does Cd1Ga1Pd2 contain?
Where does the data for Cd1Ga1Pd2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, Cd1Ga1Pd2 occupies a distinct space compared to more stable or commonly utilized siblings like BaPd or GeRu. While many members of this class are investigated for their robust catalytic performance, this compound serves as a critical data point for researchers mapping the stability limits of ternary palladium alloys.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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